US2071250A - Linear condensation polymers - Google Patents

Linear condensation polymers Download PDF

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Publication number
US2071250A
US2071250A US548701A US54870131A US2071250A US 2071250 A US2071250 A US 2071250A US 548701 A US548701 A US 548701A US 54870131 A US54870131 A US 54870131A US 2071250 A US2071250 A US 2071250A
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United States
Prior art keywords
volatile
fibres
polymer
condensation
acid
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Expired - Lifetime
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US548701A
Inventor
Wallace H Carothers
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EI Du Pont de Nemours and Co
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EI Du Pont de Nemours and Co
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Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to US548701A priority Critical patent/US2071250A/en
Priority claimed from US660778A external-priority patent/US2071251A/en
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Publication of US2071250A publication Critical patent/US2071250A/en
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24190030&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US2071250(A) "Global patent litigation datasetā€ by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Expired - Lifetime legal-status Critical Current

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